Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Chip Model | ESP32-S3 |
| CPU Cores | Xtensa LX7 Dual-Core |
| Flash Memory | 8MB / 16MB (N8R2/N16R8) |
| PSRAM | 2MB / 8MB |
| Wi-Fi | 2.4GHz 802.11b/g/n |
| Bluetooth | Bluetooth 5 Low Energy |
| GPIO Pins | 45 Programmable GPIOs |
| Operating Voltage | 3.3V Logic, 5V USB Input |
| USB Interface | USB Type-C OTG |
| Development Framework | ESP-IDF, Arduino, MicroPython |
Anonymous
Apr 04, 2026
Rating: 5/5
Excellent performance
Upgraded from the C3 and the S3 is noticeably faster. Bluetooth LE works great for my sensors.
Anonymous
Apr 02, 2026
Rating: 5/5
Solid development board
Reliable power management and good GPIO access. Highly recommend for prototyping IoT devices.
Anonymous
Mar 23, 2026
Rating: 4/5
Great hardware, docs could improve
The board itself is high quality and fast. I wish the pinout diagram was clearer for beginners.
Anonymous
Mar 06, 2026
Rating: 3/5
Good but tricky initial setup
Had some driver issues on Windows initially. Once resolved, it works fine for school projects.
Anonymous
Feb 09, 2026
Rating: 5/5
Perfect for XiaoZhi AI
This board works flawlessly with the XiaoZhi AI ecosystem. Setup was straightforward and Wi-Fi connectivity is stable.
Q: Is there an external antenna connector?
A: This model uses an onboard PCB antenna. There is no U.FL connector for external antennas.
Q: Can I power this with a 3.7V LiPo battery?
A: Yes, you can connect a LiPo battery via the battery connector or 5V pin with proper regulation.
Q: Is this compatible with the Arduino IDE?
A: Yes, this board is fully compatible with the Arduino IDE using the ESP32 board manager package.
Q: Does it support MicroPython?
A: Yes, ESP32-S3 is well-supported by MicroPython and CircuitPython frameworks.
Q: What is the difference between N8R2 and N16R8?
A: N8R2 has 8MB Flash and 2MB PSRAM, while N16R8 has 16MB Flash and 8MB PSRAM.
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